| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which lead to the | 373 |
|
| 2 | [Wh det] led to the | 296 |
|
| 3 | [Wh det] leads to the | 56 |
|
| 4 | [Wh det] lead to the | 28 |
|
| 5 | what lead to the | 6 |
|
